OFFSET
1,1
COMMENTS
Column 3 of A220109
EXAMPLE
Some solutions for n=3
..0..1..1....1..1..2....1..0..0....1..0..0....0..1..0....1..0..2....3..1..0
..3..1..1....0..0..1....3..2..3....3..2..3....3..3..1....0..2..3....1..3..2
..1..3..1....1..2..2....2..2..0....2..0..2....2..3..2....2..1..0....0..3..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Dec 05 2012
STATUS
approved